supply of overhauling kit for cock.overhauling kit for cock.,overhauling kit for cock dh7 to kbi part no. i88738 for air brake system of lhb coaches.consisting of 06 items. s.no., description, kbi part no., qty/set. (1) retaining ring, part no . 457709, qty/set =1 no. (2) knorr-k-ring, part no. 462575, qty/set =2 nos. (3) o ring , part no. a47412, qty/set =1 no.(4) o-ring, part no . a95468, qty/set =1no. (5) o rin g, part no. k4140, qty/set =3 nos. (6) valve seat bushing, part no. c170298, qty/set =1 no [ warranty period: 36 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] amm(w)bvp, wr gujarat 252.00 set